<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl" />
                        <p class="icon-desc">{{item.desc}}</p>
                    </div>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style scoped>
   .icons>>>.swiper-container{
       /* overflow: hidden; */
       height: 0;
       padding-bottom: 50%;
   }
   .icons{
     margin-top: .2rem;
   }
   .icon{
       position: relative;
       overflow: hidden;
       float: left;
       width: 25%;
       height: 0;
       padding-bottom: 25%;
   }
   .icon-img{
       position: absolute;
       top:0;
       left: 0;
       right: 0;
       bottom: .44rem;
       box-sizing: border-box;
       padding: .1rem;
   }
   .icon-img-content{
       display: block;
       margin: 0 auto;
       height: 100%;
   }
   .icon-desc{
       position: absolute;
       left: 0;
       right: 0;
       bottom: -6px;
       height:.44rem;
       line-height: .44rem;
       text-align: center;
       color: #333;
       overflow: hidden;
       white-space: nowrap;
       text-overflow: ellipsis;
   }
</style>
